So, here is the complete sample code and precompiled dll for you to try.

If only checking one program, you just need to change two things:
#1 In the Form1's Timer1_Timer() sub, change the "NotePad.exe" to what ever prog you want to watch for.
#2 In the RRExtention Class's ReturnIndicator Function, Change the name of the indicator to what ever name you want to call it. Typed in all lower case!!
#3 Save and make dll file
#4 Place dll file in rr's root folder
#5 Reg said dll file
#6 Put X,ProgRunning in your menu.skin file

Then have a go with RR and see if all works, if you use the example, I just look for a notepad process and the indicator name is "NotePadStatus", which is checked once every second.

[ EDIT ]

I have now incorperated this into my RRExtended plugin, and upgraded it, found > HERE <